CVE-2021-39873
Quick assessment
Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab CE/EE 存在安全漏洞。攻击者可利用该漏洞通过错误响应中的内容来欺骗用户访问恶意网站。
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I. Basic Information for CVE-2021-39873
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab CE/EE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab CE/EE 存在安全漏洞。攻击者可利用该漏洞通过错误响应中的内容来欺骗用户访问恶意网站。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-39873
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-39873 (3)
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https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json x_refsource_CONFIRM
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https://gitlab.com/gitlab-org/gitlab/-/issues/27241 x_refsource_MISC
-
https://hackerone.com/reports/504961 x_refsource_MISC
Same Patch Batch · GitLab · 2021-10-04 · 12 CVEs total
| CVE-2021-39885 | 8.7 HIGH | GitLab EE 跨站脚本漏洞 |
| CVE-2021-39877 | 7.7 HIGH | GitLab 资源管理错误漏洞 |
| CVE-2021-39868 | 4.3 MEDIUM | GitLab 访问控制错误漏洞 |
| CVE-2021-22259 | 4.3 MEDIUM | GitLab 输入验证错误漏洞 |
| CVE-2021-39874 | 4.3 MEDIUM | GitLab 安全特征问题漏洞 |
| CVE-2021-39883 | 4.3 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-39871 | 4.3 MEDIUM | GitLab 安全特征问题漏洞 |
| CVE-2021-39896 | 3.8 LOW | GitLab 代码问题漏洞 |
| CVE-2021-39899 | 2.9 LOW | GitLab 授权问题漏洞 |
| CVE-2021-39879 | 2.2 LOW | GitLab 访问控制错误漏洞 |
| CVE-2021-39900 | 2.0 LOW | GitLab 日志信息泄露漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-39873
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